51.   The latest attitudes have sparked a lively debate among animal behaviorists and generated many rounds of point and counterpoint.

52.   The natives stage elaborate tailgate parties around the mass ascensions and have lively debates about the best viewing sites.

53.   The most lively debate of the summer has surrounded the question of just what kind of revival it should be.

54.   The market instead has held its ground, in part because there is still a lively debate under way about what comes next.

55.   The reactions of old Watergate adversaries to the tapes suggest a lively debate in Boca Raton.

56.   The report touched off a lively debate on methodology and statistics between the authors of the two major studies.

57.   The press is full of lively debate and invective, the television news a cascade of irreverent reports.

58.   The speech also sparked a lively debate in Washington, where legislators are increasingly at odds with the Bush administration over whether to end the embargo.

59.   The stimulatory effects of the herb are the focus of lively debates on bulletin boards on the Internet, where the makers are advertising it.

60.   There is no good reason reparations should not be a subject of lively debate, and college campuses should be ideal forums for such a debate.